Question

For each of the scales shown below (A, B, and C), answer the following questions:

What type of data is being collected? What level of scale measurement is being used? What is the most appropriate measure of central tendency? What is the most appropriate measure of dispersion? What weakness, if any, exists with the scale?

A. How do you pay for your travel expenses?

Cash , Company , charge , Check , Personal charge , Credit card , Other

B. How often do you travel for business purposes?

0–1 time per month, 2–3 times per month, 4–5 times per month, 6 or more times per month

C. Check the one category that best approximates your total family annual income, before taxes. (Check only one category.)

Under $10,000, $10,000–$20,000, $20,001–$30,000, $40,001–$50,000, $50,001–$60,000, $60,001–$70,000, $70,001–$100,000, Over $100,000

Answer 1

A	B	C
Type of data being collected	Primary	Primary	Primary
Level of scale measurement being used	Nominal Scale	Ordinal Scale	Interval/Ratio
Most appropriate measure of Central Tendency	Mode	Median	Mean
Most appropriate measure of Dispersion	Index of dispersion	Interquartile range	Standard deviation
Weakness (if any) existing with scale	The degrees of response can't be expressed	The level of differences between ranks not clear